Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2005-10-25
2005-10-25
Davis, Brian (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C564S340000, C564S423000, C564S488000
Reexamination Certificate
active
06958419
ABSTRACT:
An alkynyl S,N-acetal derivative of the present invention is represented by the following structural formula:In the structural formula, R1represents a hydrogen atom, an alkyl group, an aryl group, an alkenyl group, a silyl group, or an alkynyl group; each of R2and R3represents an alkyl group or an allyl group; and R4represents an alkyl group. The alkynyl S,N-acetal derivative, which is a novel compound, is useful as a raw material of propargylamine.
REFERENCES:
patent: 2003-12613 (2003-01-01), None
Murai Toshiaki
Mutoh Yuichiro
Crompton Seager & Tufte LLC
Davis Brian
Gifu University
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